Php 使用group by函数对多列求和()
我需要收集每列的计数,每行有多个结果。问题是这些列重复了第一列的值Php 使用group by函数对多列求和(),php,mysql,sql,group-by,sum,Php,Mysql,Sql,Group By,Sum,我需要收集每列的计数,每行有多个结果。问题是这些列重复了第一列的值 $sql="SELECT MODEL, sum(CLICK) AS LOCCLICK, sum(VIEW) AS LOCVIEW, sum(EMAIL) AS LOCEMAIL, sum(SHARE) AS LOCSHARE FROM STAT WHERE ID = ".$id." GROUP BY MODEL"; $result = $mysqli
$sql="SELECT MODEL,
sum(CLICK) AS LOCCLICK, sum(VIEW) AS LOCVIEW, sum(EMAIL) AS LOCEMAIL, sum(SHARE) AS LOCSHARE
FROM STAT
WHERE ID = ".$id."
GROUP BY MODEL";
$result = $mysqli->query($sql);
if ($result->num_rows > 0) {
// output data of each row
while($row = $result->fetch_assoc()) {
$clickcoun = $row['LOCCLICK'];
$viewcoun = $row['LOCVIEW'];
$emailcoun = $row['LOCEMAIL'];
$sharecoun = $row['LOCSHARE'];
$model = $row['MODEL'];
echo "\n";
// Log the stats into the daily updates.
$sqlx = 'INSERT INTO DAILY (ID, QDATE, VIEWS, CLICKS, EMAILS, SHARES, MODEL)
VALUES ('.$id.', NOW(), '.$viewcoun.', '.$clickcoun.', '.$emailcoun.', '.$sharecoun.', "'.$model.'" )';
$mysqli->query($sqlx);
}
} else {
echo "0 results"; die();
}
我期待的结果如下:
福特:浏览量=302,电子邮件=21,股票=10
道奇:浏览量=567,电子邮件=41,共享量=13
雪佛兰:视图=324,电子邮件=23,共享=9
我想把这些数据输入到每日统计数据中,这样我就可以查询它们,并将它们放入图表中,显示它们的每日覆盖范围。在本月底,我计划以同样的方式再次分解这些内容,以获得每月概览。您不需要循环来完成此操作。只需使用
insert。选择
:
INSERT INTO DAILY (ID, MODEL, CLICKS, VIEWS, EMAIL, SHARES, QDATE)
SELECT $id, MODEL, sum(CLICK) AS LOCCLICK, sum(VIEW) AS LOCVIEW,
sum(EMAIL) AS LOCEMAIL, sum(SHARE) AS LOCSHARE, now()
FROM STAT
WHERE ID = ".$id."
GROUP BY MODEL;
我不理解问题陈述。你能分享一些样本数据和你想要得到的结果吗?你能给出4行样本数据吗?解释一下你到底想要什么吗?你说的“复制第一列的值”是什么意思?我认为您在问题描述中混合了行和列。我做了您要求的更改,以便更清楚。GolezTrol我知道不同之处,我需要每个列的计数,因为这些行插入了来自其他流量源的数据,这些流量源有数字,例如电子邮件的数字21,以及我收集统计数据的初始站点提供的统计数据。你的列的值是多少电子邮件、单击和查看我正在尝试,但它不起作用,对于now()如何与select一起工作,我有点困惑。也许这就是它不起作用的地方?